core-error.c

/*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.***/#ifdef HAVE_CONFIG_H#include <config.h>#endif#include <errno.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <pulse/utf8.h>#include <pulse/xmalloc.h>#include <pulsecore/core-util.h>#include <pulsecore/native-common.h>#include <pulsecore/thread.h>#include <pulsecore/macro.h>#include <pulsecore/log.h>#include "core-error.h"
PA_STATIC_TLS_DECLARE(cstrerror, pa_xfree);
00045constchar* pa_cstrerror(int errnum) {
constchar *original = NULL;
char *translated, *t;
char errbuf[128];
if (errnum < 0)
errnum = -errnum;
if ((t = PA_STATIC_TLS_GET(cstrerror)))
pa_xfree(t);
#if defined(HAVE_STRERROR_R) && defined(__GLIBC__) original = strerror_r(errnum, errbuf, sizeof(errbuf));
#elif defined(HAVE_STRERROR_R)if (strerror_r(errnum, errbuf, sizeof(errbuf)) == 0) {
errbuf[sizeof(errbuf) - 1] = 0;
original = errbuf;
}
#else/* This might not be thread safe, but we hope for the best */
original = strerror(errnum);
#endifif (!original) {
pa_snprintf(errbuf, sizeof(errbuf), "Unknown error %i", errnum);
original = errbuf;
}
if (!(translated = pa_locale_to_utf8(original))) {
pa_log_warn("Unable to convert error string to locale, filtering.");
translated = pa_utf8_filter(original);
}
PA_STATIC_TLS_SET(cstrerror, translated);
return translated;
}